MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or phishing attempt. The ML classifier and ClamAV detection strongly indicate maliciousness. The primary IOC is the external URL used in the link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://traffking.ru/123?utm_term=gothic+ball+gown PDF link annotation
- https://cdn-cms.f-static.net/uploads/4366625/normal_5fa62380b84c8.pdfIn PDF document text
- https://tajurasexir.weebly.com/uploads/1/3/1/6/131606020/rovepu_danod_muburukupe.pdfIn PDF document text
- https://jatorogerujew.weebly.com/uploads/1/3/2/7/132710569/ruxozukozuvazu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484610/normal_5fb2d863203e9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384323/normal_5f96badd1e24e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382973/normal_5f8e750272552.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408170/normal_5fad97462052d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4406481/normal_5fa6093b0d669.pdfIn PDF document text
- https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/7904132.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/fosagobomap/tout_sur_les_energies_renouvelables.pdfIn PDF document text
- https://s3.amazonaws.com/nakevoja/berebik.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b75a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB75A | 5048 bytes |
SHA-256: 5c51673502e00e6709b71dff261b3fcbc548b665299a48ee1572298ab65333d1 |
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font_01_sfnt_off0000c89f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC89F | 10260 bytes |
SHA-256: b7ab174b5d40521b2fe5654de3d24d91c9de4d4ef11adcdf6d2229c1d043b99e |
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